Alma 'Indian Four' custom

It looks like an Indian Four and it rides like an Indian Four, but this motorcycle has never been anywhere near Springfield, Massachusetts. Sitting in the frame is a one-liter NSU car engine, mated to a four-speed gearbox and shaft drive from a European pre-war motorcycle. The frame is a one-off, built to accommodate the tall SOHC engine; on a genuine Indian Four frame, there's an additional straight tube running under the gas tanks. But the look is just right, helped by a vintage 1920s headlight and a repro Indian front end and fenders. The detailing elsewhere is lovely: the...